Home / 6,826.88-9,421.11-4,175.75

Finding the Fourth Proportional to 6,826.88, 9,421.11 and 4,175.75

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Solution

The fourth proportional to 6,826.88, 9,421.11 and 4,175.75 is: 5,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.88 : 9,421.11 = 4,175.75 : x
  2. Step 2: Convert to fraction form
    6,826.88/9,421.11 = 4,175.75/x
  3. Step 3: Cross multiply
    6,826.88x = 9,421.11 × 4,175.75
  4. Step 4: Simplify right side
    6,826.88x = 39,340,223.64
  5. Step 5: Solve for x
    x = 39,340,223.64/6,826.88
  6. Step 6: Final answer
    x = 5,762.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.